How to Hide the Clutter Folder for Office 2016

In order to hide the Clutter folder you’ll need to make use of MFCMAPI. This is because hiding a folder isn’t a default feature within Outlook.

MFCMAPI is a low-level editing tool to access your mailbox data. You can do some really great things with it, but you can also easily do large irreversible damage to your mailbox so it is important that you make a backup first and follow the below instructions carefully.